Spade drill bit



FIG. 1 is a top, front, left side perspective view of a spade drill bit;

FIG. 2 is a left side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a rear view thereof;

FIG. 8 is an enlarged view of section 8, noted in FIG. 1;

FIG. 9 is an enlarged view section 9, noted in FIG. 2;

FIG. 10 is a top view of the portion of a spade drill bit shown in FIG. 9;

FIG. 11 is a right side view of the portion of a spade drill bit shown in FIG. 9;

FIG. 12 is a bottom view of the portion of a spade drill bit shown in FIG. 9;

FIG. 13 is a front view of the portion of a spade drill bit shown in FIG. 9; and,

FIG. 14 is a rear view of the portion of a spade drill bit shown in FIG. 9.

The evenly-spaced broken lines in the drawings depict portions of the spade drill bit that form no part of the claimed design. The “dash-dot” broken lines seen in FIGS. 8 thru 14 show the bounds of the figures and form no part of the claimed design. 

CLAIM We claim the ornamental design for the spade drill bit, as illustrated and described. 